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The Big Stiffy series 120-degree v-bit for CNC routers is the bit to use when you want wider, shallower cuts, and to get your job done fast and clean on your CNC router woodworking projects.

With a 1/4″ shank, it is the go-to v carving bit when it comes to larger projects. The ‘super-shear’ blade design is designed to leave exceptionally clean cuts at higher feeds rates. This is the v bit to use when your v-carved letters are wider than 1/4″ wide.

To see how effective your 120° Super-Shear bit is, watch this YouTube video of an amazing lion completely carved in 11 minutes!

Why is it called the Big Stiffy? Overall, the bit length is a bit shorter than most. This little design modification keeps you bit stiffer during cuts, which gives you a 50% improvement in your surface finish. In other words, the potential for chatter is virtually eliminated. When 120-degree v bits are longer, they tend to cause ‘chatter’ (a rough surface finish caused by tool vibration and deflection)

This bit has a carbide blade brazed to a 4140 body.

Specs

  • Shank: 1/4″ (6.35mm)
  • Cut diameter: 1.0″ (25mm)
  • Length: 2.0″ (38mm)
  • Flutes: 2
  • Flute length: 0.375″
  • Material: 100% tungsten-carbide tipped

Settings

  • Feed: 45 inches per minute (16mm/sec)
  • Speed (rpm): 10000-14000
  • Max pass depth: 0.25″ / 3.175mm
  • Stepover: 20%
  • For CNC routers, see this speeds & feeds table

For Vectric users, get the latest CNC router bit tool database by clicking here

For CNC’s with routers, refer to this PDF download feeds & speeds table

BV-120

 

Weight 1.7 oz
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